@article{Wojtowicz:2009,
author
=
"W.Wojtowicz and A.Więckowski",
title
=
"EPR study of ammonium nitrate doped with copper(II) ions",
journal
=
"Acta Physica Polonica A",
volume
=
"Vol 108",
number
=
"no 2",
pages
=
"395--401",
year
=
"2005",
}